A World War II type Polish metal breast badge of Warsaw ghetto police. Hexagonal badge with Magen David, inscription Ordnungsdienst Sluzba Porzadkowe, JRW RZW, 79. Leather strap. The Warsaw Ghetto was the largest of the Nazi ghettos during World War II and the Holocaust. It was established in November 1940 and demolished in May 1943. The item comes in a box. Second World War Historical Collectables And Memorabilia, Holocaust, Badges And Medals, Exonumia.